import sys
readline=sys.stdin.readline

L,D=map(int,readline().split())
grundy=[None]*(L+1)
grundy[0]=0
grundy[1]=0
for l in range(2,L+1):
    se=set()
    for L1 in range(1,l-1):
        for L2 in range(1,l-L1):
            L3=l-L1-L2
            if len({L1,L2,L3})==3 and max(L1,L2,L3)-min(L1,L2,L3)<=D:
                se.add(grundy[L1]^grundy[L2]^grundy[L3])
    x=0
    while x in se:
        x+=1
    grundy[l]=x
if grundy[L]:
    ans="kado"
else:
    ans="matsu"
print(ans)